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A002826 Number of precomplete Post functions of n variables.
(Formerly M3883 N1593)
0
1, 5, 18, 82, 643, 15182, 7848984 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

Jablonskii, S. V., Some results in the theory of functional systems (Russian), in Proceedings of the International Congress of Mathematicians (Helsinki, 1978), pp. 963-971, Acad. Sci. Fennica, Helsinki, 1980.

Rosenberg, Ivo; The number of maximal closed classes in the set of functions over a finite domain. J. Combinatorial Theory Ser. A 14 (1973), 1-7.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Zaharova, E. Ju.; Kudrjavcev, V. B.; Jablonskii, S. V. Precomplete classes in $k$-valued logics. (Russian) Dokl. Akad. Nauk SSSR 186 1969 509-512. English translation in Soviet Math. Doklady 10 (No. 3, 1969), 618-622.

CROSSREFS

Sequence in context: A017960 A162814 A082034 * A019046 A141733 A199257

Adjacent sequences:  A002823 A002824 A002825 * A002827 A002828 A002829

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 11:03 EST 2012. Contains 205763 sequences.